Welding gun



FIG. 1 is a top, front and right-side perspective view of a welding gunshowing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a left side elevational view;

FIG. 5 is a front elevational view;

FIG. 6 is a rear elevational view;

FIG. 7 is a bottom plan view;

FIG. 8 is a top, front and right-side perspective view of a secondembodiment of my new design of FIGS. 1-7;

FIG. 9 is a front elevational view of FIG. 7;

FIG. 10 is a rear elevational view of FIG. 7;

FIG. 11 is a right side elevational view of FIG. 7;

FIG. 12 is a top plan view of FIG. 7;

FIG. 13 is a left side elevational view of FIG. 7; and,

FIG. 14 is a bottom plan view of FIG. 7.

The ornamental design for the welding gun, as shown and described.